Re: [PATCH] usb: dwc3: add EXPORT_SYMBOL_GPL for role init functions

[Greg KH]

On Tue, Jan 26, 2021 at 05:49:13PM +0800, Ray Chi wrote:
> Currently, role init functions are used in dwc3 driver but
> can't be called from kernel modules.
>   dwc3_host_init
>   dwc3_host_exit
>   dwc3_gadget_init
>   dwc3_gadget_exit
>   dwc3_event_buffers_setup
>   dwc3_event_buffers_cleanup
> 
> If other kernel modules want to use these functions, it needs
> EXPORT_SYMBOL_GPL() to get compile pass.
> 
> Signed-off-by: Ray Chi <raychi@xxxxxxxxxx>

What current kernel configuration fails without this patch applied?  I
don't see any in-tree users of this as a module that would break, or am
I missing something?

thanks,

greg k-h